Display screen with a graphical user interface for an email application



The FIGURE is a front view of a display screen with a graphical user interface design for an email application on an electronic device.

The broken lines showing portions of the graphical user interface are included for the purpose of illustrating environmental structure and form no part of the claimed design. The outer edge of the display screen is understood to be congruent with the outer edge of the graphical user interface. 

CLAIM The ornamental design for a display screen with a graphical user interface for an email application, as shown and described. 